<template>
  <div class="login-container">
    <el-row type="flex" justify="center">
      <el-col :span="15">
        <el-card class="ecard" body-style="padding:0">
          <el-row type="flex" align="middle" justify="space-between">
            <el-col :span="9">
              <el-row align="middle" type="flex" justify="center">

              </el-row>

              <el-row align="middle" type="flex" justify="center">
                <el-form
                  ref="loginForm"
                  :model="loginForm"
                  :rules="loginRules"
                  class="login-form"
                  auto-complete="on"
                  label-position="left"
                >
                  <el-form-item prop="username">
                    <span class="svg-container">
                      <svg-icon icon-class="user" />
                    </span>
                    <el-input
                      ref="username"
                      v-model="loginForm.username"
                      placeholder="Username"
                      name="username"
                      type="text"
                      tabindex="1"
                      auto-complete="on"
                    />
                  </el-form-item>

                  <el-form-item prop="password">
                    <span class="svg-container">
                      <svg-icon icon-class="password" />
                    </span>
                    <el-input
                      :key="passwordType"
                      ref="password"
                      v-model="loginForm.password"
                      :type="passwordType"
                      placeholder="Password"
                      name="password"
                      tabindex="2"
                      auto-complete="on"
                      @keyup.enter.native="handleLogin"
                    />
                    <span class="show-pwd" @click="showPwd">
                      <svg-icon
                        :icon-class="
                          passwordType === 'password' ? 'eye' : 'eye-open'
                        "
                      />
                    </span>
                  </el-form-item>
                  <el-checkbox class="elcx" fill="#ffb200" text-color="#ffb200">记住密码</el-checkbox>
                  <el-button
                    :loading="loading"
                    type="warning"
                    class="loginButton"
                    @click.native.prevent="handleLogin"
                  >立刻登录</el-button>

                  <div class="tips">
                    <span style="margin-right: 20px">username: admin</span>
                    <span> password: any</span>
                  </div>
                </el-form>
              </el-row>
            </el-col>
            <el-col :span="15">
              <div
                class="beeimg"
              />
            </el-col>
          </el-row>
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import store from '@/store'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('Please enter the correct user name'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('The password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'admin',
        password: '111111'
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', validator: validateUsername }
        ],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      if (this.loginForm.username === 'admin' && this.loginForm.password === '111111') {
        this.$message.success('登录成功')
        store.commit('user/login')
        this.$router.push('/')
      }
    }
  }
}
</script>

<style lang="scss" >
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #eae7e7;
$light_gray: #fff;
$cursor: #000;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 70%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;
      color: #000;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #f8f5f5;
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #fff;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .ecard {
    width: 100%;
    margin-top: 140px;
    // height: 580px;
    border-radius: 30px;

    .beeimg {
      background-color: #889aa4 ;
      width: 100%;
      height: 100%;
    }

    .logo {
      padding: 50px 20px 0;
      width: 50%;
    }

    .loginButton {
      background-color: #ffb200;
      color: #000;
      width: 100%;
      height: 55px;
      margin-bottom: 30px;
      font-size: 18px;
      font-weight: 700;
      margin-top: 20px;
    }

    .login-form {
      position: relative;
      width: 520px;
      max-width: 100%;
      padding: 20px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 45px;
      // height: 30px;
      display: inline-block;
      background-color: #eae7e7;
    }

    .title-container {
      position: relative;

      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }
  }
}
</style>
